/*
 * Copyright (c) 2021, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.svm.core.jdk.localization.bundles;

import java.util.Map;
import java.util.function.Function;

public final class CompressedBundle implements StoredBundle {
    private final byte[] content;
    private final Function<byte[], Map<String, Object>> decompressionAlgorithm;
    private Map<String, Object> extracted;

    public CompressedBundle(byte[] content, Function<byte[], Map<String, Object>> decompressionAlgorithm) {
        this.content = content;
        this.decompressionAlgorithm = decompressionAlgorithm;
    }

    @Override
    public Map<String, Object> getContent(Object bundle) {
        if (extracted == null) {
            extracted = decompressionAlgorithm.apply(content);
        }
        return extracted;
    }
}
